Principles and Applications of Electrical Engineering
6th Edition
ISBN: 9780073529592
Author: Giorgio Rizzoni Professor of Mechanical Engineering, James A. Kearns Dr.
Publisher: McGraw-Hill Education
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Chapter 5, Problem 5.43HP
To determine
(a)
The value of voltage
To determine
(b)
The value of voltage
To determine
(c)
The value of the capacitor voltage
To determine
(d)
The comparison of two time constant
To determine
(e)
To sketch:
The graphof
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8 For t > 0, the circuit shown in Figure P5.22 is at
steady state. The switch is changed as shown at t = 0.
Vsi = 35 V
C = 11 µF
Vsz = 130 V
R = 17 k2
R = 7 k2
R = 23 k2
Determine the time constant of the circuit for t> 0.
Given circuit below, use superposition to find voltage across the capacitor, vclt). Frequency is 100 Hz.
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a) Given circuit below and switch ciosed for long time, what is the value of Vc?
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bị At0, switch is opened. Write a mathematical expression for Velt) after opening of the switch. Evaluate this voltage at te10 ms.
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Consider the R-C circuit. we idealise the emf to be constant and have zero internal resistance. We begin with capacitor initially uncharged. At initial time t=0, the switch was closed. Answer the questions attached.
Chapter 5 Solutions
Principles and Applications of Electrical Engineering
Ch. 5 - Write the differential equations fort t0 for iL...Ch. 5 - Write the differential equation fort t0 for vc in...Ch. 5 - Write the differential equation fort t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equation for t0 for vc in...Ch. 5 - Write the differential equations for t0 for iC and...Ch. 5 - Prob. 5.7HPCh. 5 - Write the differential equation for t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equations for: t0 for iL...
Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on vC...Ch. 5 - Prob. 5.18HPCh. 5 - Prob. 5.19HPCh. 5 - Determine the initial and final conditions on iL...Ch. 5 - At t=0 , just before the switch is opened, the...Ch. 5 - Prob. 5.22HPCh. 5 - Determine the current ic through the capacitor...Ch. 5 - Prob. 5.24HPCh. 5 - Prob. 5.25HPCh. 5 - Assume that steady-state conditions exist in...Ch. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Prob. 5.28HPCh. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Find the Thévenin equivalent network seen by the...Ch. 5 - Prob. 5.31HPCh. 5 - Prob. 5.32HPCh. 5 - Prob. 5.33HPCh. 5 - For t0 , the circuit shown in Figure P5.34 is at...Ch. 5 - The circuit in Figure P5.35 is a simple model of...Ch. 5 - Prob. 5.36HPCh. 5 - Determine the current iC through the capacitor in...Ch. 5 - Determine the voltage vL across the inductor in...Ch. 5 - Prob. 5.39HPCh. 5 - For t0 , the circuit shown in Figure P5.39 is at...Ch. 5 - Prob. 5.41HPCh. 5 - Prob. 5.42HPCh. 5 - Prob. 5.43HPCh. 5 - Prob. 5.44HPCh. 5 - For the circuit shown in Figure P5.41, assume that...Ch. 5 - Prob. 5.46HPCh. 5 - Prob. 5.47HPCh. 5 - For the circuit in Figure P5.47, assume...Ch. 5 - In the circuit in Figure P5.49, how long after the...Ch. 5 - Refer to Figure P5.49 and assume that the switch...Ch. 5 - The circuit in Figure P5.51 includes a...Ch. 5 - At t=0 the switch in the circuit in Figure...Ch. 5 - Prob. 5.53HPCh. 5 - The analogy between electrical and thermal systems...Ch. 5 - The burner and pot of Problem 5.54 can be modeled...Ch. 5 - Prob. 5.56HPCh. 5 - Prob. 5.57HPCh. 5 - Prob. 5.58HPCh. 5 - The circuit in Figure P5.59 models the charging...Ch. 5 - Prob. 5.60HPCh. 5 - In the circuit shown in Figure P5.61:...Ch. 5 - Prob. 5.62HPCh. 5 - If the switch shown in Figure P5.63 is closed at...Ch. 5 - Prob. 5.64HPCh. 5 - Prob. 5.65HPCh. 5 - Prob. 5.66HPCh. 5 - Prob. 5.67HPCh. 5 - Prob. 5.68HPCh. 5 - Assume the switch in the circuit in Figure...Ch. 5 - Prob. 5.70HPCh. 5 - Prob. 5.71HPCh. 5 - Prob. 5.72HPCh. 5 - Prob. 5.73HPCh. 5 - Prob. 5.74HPCh. 5 - Prob. 5.75HPCh. 5 - Prob. 5.76HPCh. 5 - Prob. 5.77HPCh. 5 - Prob. 5.78HPCh. 5 - Prob. 5.79HPCh. 5 - Assume the circuit in Figure P5.80 is in DC steady...Ch. 5 - Prob. 5.81HPCh. 5 - For t0 , determine v in Figure P5.82, assuming DC...
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- 7 Steady-state conditions exist in the circuit shown in Figure P5.27 at t < 0. The switch is closed at t = 0. V = 12 V R = 0.68 k2 R = 2.2 k2 R = 1.8 k2 C= 0.47 µF Determine the current through the capacitor at t = 0+, just after the switch is closed. ww. idt) R. t= 0 R1 Ry ww-arrow_forward2 At t < 0, the circuit shown in Figure P5.22 is at steady state. The switch is changed as shown at t = 0. Vsi = 35 V C = 11 µF Vsz = 130 V R = 17 k2 R2 = 7 k2 R = 23 k2 Determine at t = 0+ the initial current through R just after the switch is changed. 1= 0 R3 Vs1 Vs2arrow_forward1 Just before the switch is opened at t = 0, the current through the inductor is 1.70 mA in the direction shown in Figure P5.21. Did steady-state conditions exist just before the switch was opened? L= 0.9 mH Vs = 12 V R = 6 k2 R2 = 6 k2 R = 3 k2 t = 0 R2 R1 L R3{Va3 V83arrow_forward
- 2 Determine vc(t) for t > 0. The voltage across the capacitor in Figure P5.32 just before the switch is changed is given below. vc(0-) = -7 V I, = 17 mA C = 0.55 µF R = 7 k2 R2 = 3.3 k2 t= 0 R2 R1 CVct)arrow_forwardBy Differential equations An electromotive force of 100 volts is applied to an RC series circuit, in which the resistance is 50 ohms and the capacitance is 0.002 farads. Determine the load q(t) of the capacitor, if q(0) = 5C. Find the current i(t). Pls dont skip any steps even on the integralsarrow_forward6 Find the maximum value of v(t) for t > 0 in the circuit of Figure P5.76 if the circuit is in steady state at t = 0-. 4Ω 1Η 12 V t= 0 1/4 Farrow_forward
- Is the circuit currently in steady-state or transient condition? Justify your answer. Based on the plots, is the circuit in steady-state or in transient condition after the closure of the switch BUT before the plots become horizontal? Justify your answer. Is the inductor behaving like a short circuit after the plots become horizontal? Why?arrow_forward7 Find the voltage across C in the circuit of Figure P5.57 for t> 0. Let G = 5 µF; C = 10 µF. Assume the capacitors are initially uncharged. 12 19 2 ww t= 0 10 v(* C2arrow_forward1 Find v for t > O in the circuit of Figure P5.81 if the circuit is in steady state at t = 0-. t= 0 32 ww 12 V 0.8 HE 4 V 1/4 Farrow_forward
- t=0 Rs1 Rs2 LE R Vsi R2 Vs2 Figure P5.61 2 In the circuit shown in Figure P5.61 Vsi = 12 V Rsi = 50 2 Vsz = 12 V Rsz = 50 2 R = 2.2 k2 R2 = 600 2 L = 7.8 mH C = 68 µF Assume that DC steady-state conditions exist at t < 0. Determine the voltage across the capacitor and thearrow_forward3 Assume that the circuit shown in Figure P5.73 is underdamped and that the circuit initially has no energy stored. It has been observed that after the switch is closed at t = 0, the capacitor voltage reaches an initial peak value of 70 V when t = 57/3 µs and a second peak value of 53.2 V when t = 57 us, and it eventually approaches a steady-state value of 50 V. If C = 1.6 nF, what are the values of Rand L? t= 0 wwarrow_forward3 Determine the current through the capacitor just before and just after the switch is closed in Figure P5.23. Assume steady-state conditions for t < 0. C = 0.5 µF V = 12 V R = 0.68 k2 R2 = 1.8 k2 t= 0 R2arrow_forward
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